It still needs to pass --32 (yes, 32) to the assembler. x86_64-linux does this (through some other config file), x86_64-elf did not. This fixes building SeaBIOS with our x86_64-elf multilib compiler. Change-Id: Ibe2a70e46e64e71c947482be5ec0eaf7f7bf300d Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/11289 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
		
			
				
	
	
		
			88 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
diff -urN gcc-4.9.2/gcc/config/i386/t-elf64 gcc-4.9.2/gcc/config/i386/t-elf64
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--- gcc-4.9.2/gcc/config/i386/t-elf64	1969-12-31 16:00:00.000000000 -0800
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+++ gcc-5.2.0/gcc/config/i386/t-elf64	2015-06-17 11:20:08.032513005 -0700
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@@ -0,0 +1,38 @@
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+# Copyright (C) 2002-2014 Free Software Foundation, Inc.
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+#
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+# This file is part of GCC.
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+#
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+# GCC is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 3, or (at your option)
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+# any later version.
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+#
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+# GCC is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with GCC; see the file COPYING3.  If not see
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+# <http://www.gnu.org/licenses/>.
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+
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+# On Debian, Ubuntu and other derivative distributions, the 32bit libraries
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+# are found in /lib32 and /usr/lib32, /lib64 and /usr/lib64 are symlinks to
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+# /lib and /usr/lib, while other distributions install libraries into /lib64
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+# and /usr/lib64.  The LSB does not enforce the use of /lib64 and /usr/lib64,
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+# it doesn't tell anything about the 32bit libraries on those systems.  Set
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+# MULTILIB_OSDIRNAMES according to what is found on the target.
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+
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+# To support i386, x86-64 and x32 libraries, the directory structrue
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+# should be:
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+#
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+# 	/lib has i386 libraries.
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+# 	/lib64 has x86-64 libraries.
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+# 	/libx32 has x32 libraries.
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+#
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+comma=,
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+MULTILIB_OPTIONS    = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
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+MULTILIB_DIRNAMES   = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
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+MULTILIB_OSDIRNAMES = m64=../lib64$(call if_multiarch,:x86_64-elf)
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+MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:i386-elf)
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+MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x86_64-elf-x32)
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diff -urN gcc-4.9.2/gcc/config.gcc gcc-4.9.2/gcc/config.gcc
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--- gcc-4.9.2/gcc/config.gcc	2015-06-17 11:20:57.841008182 -0700
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+++ gcc-5.2.0/gcc/config.gcc	2015-06-17 11:17:24.818890200 -0700
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@@ -1353,6 +1353,30 @@
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 	;;
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 x86_64-*-elf*)
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 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
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+	tmake_file="${tmake_file} i386/t-elf64"
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+	x86_multilibs="${with_multilib_list}"
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+	if test "$x86_multilibs" = "default"; then
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+		case ${with_abi} in
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+		x32 | mx32)
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+			x86_multilibs="mx32"
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+			;;
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+		*)
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+			x86_multilibs="m64,m32"
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+			;;
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+		esac
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+	fi
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+	x86_multilibs=`echo $x86_multilibs | sed -e 's/,/ /g'`
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+	for x86_multilib in ${x86_multilibs}; do
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+		case ${x86_multilib} in
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+		m32 | m64 | mx32)
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+			TM_MULTILIB_CONFIG="${TM_MULTILIB_CONFIG},${x86_multilib}"
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+			;;
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+		*)
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+			echo "--with-multilib-list=${x86_with_multilib} not supported."
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+			exit 1
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+		esac
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+	done
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+	TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'`
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 	;;
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 i[34567]86-*-rdos*)
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     tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
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--- gcc-5.2.0/gcc/config/i386/x86-64.h.orig	2015-08-20 17:17:34.555919593 +0200
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+++ gcc-5.2.0/gcc/config/i386/x86-64.h	2015-08-20 17:17:42.615908670 +0200
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@@ -49,7 +49,7 @@
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 #define WCHAR_TYPE_SIZE 32
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 #undef ASM_SPEC
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-#define ASM_SPEC "%{m32:--32} %{m64:--64} %{mx32:--x32}"
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+#define ASM_SPEC "%{m16|m32:--32} %{m64:--64} %{mx32:--x32}"
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 #undef ASM_OUTPUT_ALIGNED_BSS
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 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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